使用更多视图更新UITabBarItem badgeValue [英] Update UITabBarItem badgeValue with More view

问题描述

当我不完全知道TabBarItem的索引时，如何更新它的badgeValue?根据用户的设置，它可能在更多"选项卡或主选项卡上.

How can I update the badgeValue of a TabBarItem when I do not exactly know the index of it? It might be in the "More" tab or on the main Tabbar depending on what the user sets..

如果tabbaritem位于更多"中，我也只能将badgeValue添加到更多"项目中，对吗?如何在由SDK自动创建的表格视图中将徽章添加到项目本身上?

Also if the tabbaritem is inside "More" I can only add a badgeValue to the More item right? How can I add the badge on the item itself in the tableview which is created automatically by the SDK?

推荐答案

是的，您不必知道索引:

Yes you can, and you don't have to know index:

@implementation SomeController
...
-(void)increaseBadgeValue{
    NSString *oldVal = self.tabBarItem.badgeValue;
    self.tabBarItem.badgeValue = [NSString stringWithFormat:@"%d",[oldVal intValue]+1];
}
....
@end

或者如果您想为另一个控制器使用它，则将其替换为"self":

Or if you want to do it for another controller, replace 'self' for it:

anotherController.tabBar.badgeValue  ....

如果您的应用中有一个NavigationController，请执行以下操作:

if your have a navigationController in your app, do:

anotherController.NavigationController.tabBarItem.badgeValue ...

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